Mathematics · Geometry
An equilateral triangle ABC is inscribed in a circle with center O and radius 'a'. If P is the midpoint of arc BC not containing A, and N is the foot of the perpendicular from P to AB, then what is PN equal to?
- 13 - √32a
- 23 + √32a✓
- 33 - √34a
- 43 + √34a
Correct answer
3 + √32a
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